[openstack-dev] [nova][pci]PCI SR-IOV use cases initial doc

yongli he yongli.he at intel.com
Thu Apr 10 08:37:08 UTC 2014


于 2014年04月10日 16:28, John Garbutt 写道:
> I think writing this up as a nova-spec is going to make this process
> much easier:
> https://wiki.openstack.org/wiki/Blueprints#Nova
>
> It will save you having to re-write your document once you want to
> submit a blueprint, and we can all see each others comments in gerrit,
> and more clearly see how things change and evolve. The way the
> template in nova-spec works, it should aslo help you with structuring
> your argument.
yeah, this worthy to do now, i begin to format my own bp to a spec.
>
> Please don't design assuming a single vendor solution, that is sure to
agree.
> get rejected (at least my me) at the blueprint review stage. You might
> want a different vendor in each AZ to isolate you from failures due to
> vendor bugs, if you are digging for a use case.
>
> I still can't see a clear description of the "tenant" use cases, I
> still think thats the key to getting agreement here, and getting
> useful feedback at the summit. Not sure I understand the tables, they
> seem a bit confusing/distracting.
yeah, maybe because it's hard to description the use case flow without
bothering a reference design .

>
> John
>
>
> On 10 April 2014 09:14, yongli he <yongli.he at intel.com> wrote:
>> 于 2014年04月10日 15:59, Irena Berezovsky 写道:
>>
>> Hi Robert,
>>
>> Thanks a lot the inputs you posted in the doc.
>>
>> I have raised there few questions and added use case for High Availability.
>>
>> Another concern I have is regarding the assumption that there is no case to
>> mix different vendor cards in the setup. I think that mixing Cisco and Intel
>> or Mellanox cards does not make sense, but Intel and Mellanox cards can
>> coexist. At least for my understanding, but I may be wrong, both Intel and
>> Mellanox take HW VEB (HW embedded switch) approach.
>>
>> 1. open to mail list.
>> 2. admin/usr won't mixing Intel/Cisco/Mellanox card...., does not mean we
>> should disable it, or don't give a chance.
>> 3. i raise couple of question and questioning the aggregate solution. see
>> inline comments.
>>
>> https://docs.google.com/document/d/1zgMaXqrCnad01-jQH7Mkmf6amlghw9RMScGLBrKslmw/edit
>>
>> Yongli He
>>
>>
>>
>> Thanks,
>>
>> Irena
>>
>>
>>
>> From: Robert Li (baoli) [mailto:baoli at cisco.com]
>> Sent: Wednesday, April 09, 2014 11:11 PM
>> To: Irena Berezovsky; Sandhya Dasu (sadasu); Robert Kukura; He, Yongli
>> (yongli.he at intel.com); Itzik Brown; beagles at redhat.com
>> Subject: Re: PCI SR-IOV use cases initial doc
>>
>>
>>
>> Hi,
>>
>>
>>
>> I updated the doc with some of my thoughts.
>>
>>
>>
>> Thanks,
>>
>> Robert
>>
>>
>>
>> On 3/24/14, 8:41 AM, "Irena Berezovsky" <irenab at mellanox.com> wrote:
>>
>>
>>
>> Hi,
>>
>> I have created the initial doc to capture PCI SR-IOV networking use cases:
>>
>> https://docs.google.com/document/d/1zgMaXqrCnad01-jQH7Mkmf6amlghw9RMScGLBrKslmw/edit
>>
>>
>>
>> I have updated the agenda for tomorrow meeting to discuss the use cases.
>>
>>
>>
>> Please comment and update
>>
>>
>>
>> BR,
>>
>> Irena
>>
>>




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